teat personnel should have experience and training in rice mill operation and testing. the test crew shall consist of a chief test engineer, at least one technician and a number of helpers for feeding the paddy into the mill, handing of by-products/waste, bagging etc. the number of persons shall be determined by the chief engineer using as general guideline the fact that undue interruptions should not occur and sampling and other test procedures should not be compromised because of lack of personnel